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Product details

Parameters

VDS (V) 40 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 9.8 Rds(on) max at VGS=10 V (mOhms) 6.6 IDM, max pulsed drain current (Max) (A) 275 QG typ (nC) 16 QGD typ (nC) 2.4 Package (mm) SON5x6 VGS (V) 20 VGSTH typ (V) 1.8 ID, silicon limited at Tc=25degC (A) 75 ID, package limited (A) 50 Logic level Yes open-in-new Find other N-channel MOSFET transistors

Features

  • Ultra-Low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Logic Level
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5 mm × 6 mm Plastic Package
open-in-new Find other N-channel MOSFET transistors

Description

This 5.3 mΩ, SON 5 × 6 mm, 40 V NexFET™ power MOSFET is designed to minimize losses in power conversion applications.

open-in-new Find other N-channel MOSFET transistors
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Same functionality and pinout but is not an equivalent to the compared device:
CSD18514Q5A ACTIVE 40V, N ch NexFET MOSFET™, single SON5x6, 4.9mOhm This product has lower resistance and a lower price.

Technical documentation

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Type Title Date
* Datasheet CSD18504Q5A 40-V N-Channel NexFET Power MOSFET datasheet (Rev. E) Sep. 09, 2014
Technical articles Understanding the benefits of “lead-free” power MOSFETs Feb. 07, 2019
Application notes QFN and SON PCB Attachment (Rev. B) Aug. 24, 2018
Technical articles When to use load switches in place of discrete MOSFETs Feb. 03, 2016
Technical articles 48V systems: Driving power MOSFETs efficiently and robustly Oct. 08, 2015
Application notes Analog Applications Journal 3Q 2015 Jul. 24, 2015
Application notes Ceramic or electrolytic output capacitors in DC/DC converters—Why not both? Jul. 24, 2015
Application notes Ringing Reduction Techniques for NexFET High Performance MOSFETs Nov. 16, 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$149.00
Description
The bq40z80 EVM includes one bq40z80, two bq771807 secondary protectors, and a link to Microsoft Windows based PC software, which can be used to monitor and predict capacity, perform cell balancing, monitor critical parameters, protect the cells from overcharge, over-discharge, short circuit, and (...)
Features
  • 2s-7s battery gauging with protection
  • Supports internal and external cell balancing
  • Multiple GPIOs and LED support
  • Protection features include:
    • Oover and under voltage
    • Short circuit in charge and discharge
    • Charge and pre-charge timeout
    • Over and under temperaure
EVALUATION BOARDS Download
document-generic User guide
$2,499.00
Description
16-Cell EV/HEV High Current Active Balance Solution, using the latest automotive battery management monitor and protector, the bq76PL455A-Q1. It provides high-performance battery management solution for large capacity battery packs, by combining the high integration and accuracy of the bq76PL455A-Q1 (...)
Features
  • Highly accurate monitoring of 16 li-ion cells
  • Integrated protector
  • 3 - 5A active balance
  • Fully isolated transfer to external 12V supply/battery
  • 1-Mb/s stackable isolated differential-UART

Software development

SUPPORT SOFTWARE Download
SLPC019.ZIP (338 KB)

Design tools & simulation

SIMULATION MODELS Download
SLPM042A.ZIP (4 KB) - PSpice Model
SIMULATION MODELS Download
SLPM088.TSM (16 KB) - TINA-TI Spice Model
CALCULATION TOOLS Download
Buck Converter NexFET™ Selection Tool
FETPWRCALC — This tool is designed to assist engineers in the selection of Texas Instruments’ discrete power MOSFET and Power Block devices for their synchronous buck design. Users can input the conditions for their power supply and compare various discrete and power block solutions by power loss, relative (...)
Features
  • Vary power supply conditions and observe TI’s most efficient solutions for any set of input parameters
  • Select from a pre-established list of TI controllers or enter your own custom IC
  • Rank solutions by effective power loss and compare by relative 1k price, device package, and total PCB footprint
  • (...)
CALCULATION TOOLS Download
Power loss calculation tool for non-synchronous boost converter
NONSYNC-BOOST-FET-LOSS-CALC — MOSFET power loss calculator for non-synchronous boost converter
Features
  • Calculates power loss for TI MOSFETs
CALCULATION TOOLS Download
SLPC015.ZIP (66 KB)

Reference designs

REFERENCE DESIGNS Download
High efficiency power supply architecture reference design for protection relay processor module
TIDA-010011 — This reference design showcases various power architectures for generating multiple voltage rails for an application processor module, requiring >1A load current and high efficiency . The required power supply is generated using 5-, 12- or 24-V DC input from the backplane. Power supplies are (...)
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REFERENCE DESIGNS Download
Dual-input redundant PoE PD with smooth transition reference design
PMP20859 — This reference design implements an IEEE802.3bt (draft) Power over Ethernet (PoE) Powered Device (PD) with dual redundant inputs and a smooth transition between these inputs and an auxiliary input.  The design consists of a 5V/6A synchronous flyback converter and allows for up to three (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
High Performance MCU for an EV/HEV Battery Management System Reference Design
TIDM-TMS570BMS — A system example for an active cell balancing battery management system. The TMS570LS0432 microcontroller commands EMB1402 EVM to monitor the battery cells and perform charge/discharge from one battery cell to an external 12V supply. The user can view the cell status and control cell balancing from (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Fully Autonomous Single Port Type 1 (15W) PoE PSE Reference Design
PMP20981 — The PMP20981 reference design utilizes the TPS2384 PSE Power Manager to implement a single port Type 1 PoE PSE.  An isolated flyback converter, utilizing the LM3481 current mode PWM controller, accepts a 12Vdc input and provides a 48Vdc/360mA output source for the PSE.  This design is (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
170W Auxless AC/DC Power Supply Reference Design with 80 PLUS Gold Compatible Performance
PMP21098 The PMP21098 reference design uses UCC28056 transition mode PFC controller and UCC25630 enhanced LLC controller with integrated driver to provide 12V/10.8A output (continuous, 14.2A peak) from universal AC input. This design achieves 91.8% peak efficiency at 115VAC input and 93.4% peak efficiency at (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
High Efficiency 12V Input 48V/360mA Output Flyback Converter Reference Design
PMP10352 — The PMP10352 reference design is a flyback converter with a 10-14Vdc input and 48V/360mA output.  This design is well suited to provide power for Type 1 (15W) Power over Ethernet (PoE) Power Source Equipment (PSE) switches.  It can also be used for any application operating from a 12V (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
100W, 24V High Efficiency High PF Industrial Power Supply with Precision Current & Power Limit
TIDA-00701 TIDA-00701 is a 100W, 24V, Industrial AC-DC power supply designed for use in Industrial & Instrumentation systems such as process controls, factory automation and machinery control. This reference design has front end Power Factor Correction (PFC) circuit designed using UCC28051 PFC controller (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
16-Channel Active Cell Balance Reference Design
TIDA-00817 — 16-Cell EV/HEV High Current Active Balance Solution, using the latest automotive battery management monitor and protector, the bq76PL455A-Q1. It provides high-performance battery management solution for large capacity battery packs, by combining the high integration and accuracy of the bq76PL455A-Q1 (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
24V to 5V@4A Reference Design for Industrial Robots and Motor Drives
PMP15025 — The PMP15025 comprises a single phase synchronous buck converter that supplies a stable 5V @ 4A solution from a 24V input. The design features high efficiency and power density, which are suitable for industrial automation applications, such as robotics and motor drives.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
36-60V Input, 5V/6A Output Synchronous Flyback Converter Reference Design
PMP11420 — The 36-60Vdc input range of the PMP11420 reference design is well suited for telecom, POE or any 48Vdc input application.  The synchronous rectifier provides excellent efficiency over the full input range.  The LM5020 PWM controller operates with peak current mode control and features (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
9-36V Input, 5V/3A Output Synchronous Flyback Converter Reference Design
PMP10491 — The wide 9-36Vdc input range of this design is well suited for applications operating from 12V/24V dc inputs.  The synchronous rectifier provides excellent efficiency over the full input range.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
24V Input Synchronous Buck to 12V at 8A Converter Reference Design
PMP10799 — This synchronous buck converter operates over a 19-V to 32-V input range and delivers 12 V at 8-A continuous. It achieves an efficiency of greater than 97% between 4.5 A to 8 A at 24 Vin. Other features include low-output ripple voltage, excellent transient response, and small size.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Universal uP Controlled Battery Charger 24Vin 10 Aout max, 5/12V 2A & 5V 4A, 2 USB Ports Ref Design
PMP9668 BQ24745 is a host controlled synchronous buck battery charger capable of charging batteries at up to 19.2V and up to 8 A normally, extended to 10 A with use of 8 mOhm battery sense resistor. The power train is capable of 8 A with convection only cooling and 10 A with moderate fan cooling (~200 LFM (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
60W, 24V High Efficiency Industrial Power Supply with Precision Voltage, Current and Power Limit
TIDA-00702 The TIDA-00702 is a 60-W, industrial AC-DC power supply designed for use in industrial and instrumentation systems such as process controls, factory automation, and machinery control. This reference design is a Quasi-resonant (QR) flyback converter implemented using the UCC28740 CC-CV flyback (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Non-Standard PoE, UPOE High-Efficiency Flyback Converter Reference Design for PoE PD Applications
TIDA-00741 TIDA-00741 uses two TPS2378 PD controllers for a forced 4-pair UPOE solution to 51W non-standard PoE PD applications. It incorportates the UCC2897A controller in a high-efficiency, great transient response (driven) synch flyback converter capble of 12V at 3.8A.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Low Vin, Small Form Factor Flyback Reference Design for High Voltage Laser Flash Drive
PMP10712 PMP10712 is a 1.2W, small form factor, isolated flyback design that supports very low Vin of 3.3V-6V and is capable of delivering 10mA at 120V output. The design uses LM3481 Boost controller IC which works on current mode operation and can be synchronized to any frequency between 100KHz to 1 MHz.

(...)

document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Low Vin Flyback Reference Design for High Voltage Laser Flash Drive
PMP10666 PMP10666 is a 12W isolated flyback design that supports very low Vin of 3.3V-6V and is capable of delivering 100mA at 120V output. The design uses LM3481 Boost controller IC which works on current mode operation and can be synchronized to any frequency between 100KHz to 1 MHz.

This design was built (...)

document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Class 4 High-Efficiency Driven Flyback Converter (5V/5A) for PoE PD Applications Reference Design
TIDA-00617 The TIDA-00617 reference design uses the TPS23751 PoE PD controller in a high effciency (driven) synch flyback converter capable of 5V at 5A.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
UPOE High-Efficiency Flyback Converter (19V/2.3A) for Forced 4-Pair PoE PD Apps Reference Design
TIDA-00539 TIDA-00539 uses two TPS2378 PD controllers for a forced 4-pair UPOE solution to 51W non-standard PoE PD applications. It incorportates the UCC2897A controller in a high-efficiency, great transient response (driven) synch flyback converter capble of 19V at 2.3A.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
12V@5A Synchronous SEPIC Converter Reference Design
PMP10886 This reference design operates from a 6V to 16V input and supplies 12V @ 5A out. It utilizes the LM5122 synchronous boost controller to operate as a synchronous SEPIC converter.  The circuit achieves greater than 95% efficiency at maximum load.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
8W Primary-Side Regulated Flyback Using UCC28700 Reference Design
PMP8632 This design is a primary side regulated flyback (optocoupler-less) with secondary side synchronous rectification and an input voltage range of 85VAC to 240VAC. It delivers an output of 5.0V@1.6A.
Design files
REFERENCE DESIGNS Download
High Efficiency Syncronous Buck Regulator (12V/15V @ 5A)
PMP8493 — This synchronous buck regulator provides 96% efficiency when regulating 24Vin to 15V out @ 5A. The output can be set to regulate 12V , if desired. PMP8493 uses TPS40170 wide input synchronous buck controller.
Design files

CAD/CAE symbols

Package Pins Download
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